Add final evaluation report for Minimap system after all fixes and improvements

- Summarized the evolution of scores across five review rounds
- Detailed the status of each evaluation dimension post-fixes
- Highlighted remaining issues and recommended future work for further enhancements
- Compared current system against industry benchmarks

Assets/_Game/Scripts/World/Map/MapInputHandler.cs

@@ -0,0 +1,78 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+namespace BaseGames.World.Map
+{
+    /// <summary>
+    /// 全屏地图输入处理器（架构 15_MapShopModule §1.3.1）。
+    /// 挂在与 MapPanel 相同的 GameObject 上（MapPanel OnEnable/OnDisable 联动启停）。
+    /// <list type="bullet">
+    ///   <item>鼠标滚轮缩放（以鼠标位置为缩放中心）</item>
+    ///   <item>键盘方向键 / WASD 平移</item>
+    /// </list>
+    /// </summary>
+    [RequireComponent(typeof(MapPanel))]
+    public class MapInputHandler : MonoBehaviour, IScrollHandler
+    {
+        [SerializeField] private ScrollRect     _scrollRect;
+        [SerializeField] private RectTransform  _zoomTarget;   // 通常为 _roomContainer（格子根节点）
+
+        [Header("缩放")]
+        [SerializeField, Range(0.2f, 1f)]  private float _zoomMin   = 0.4f;
+        [SerializeField, Range(1f, 5f)]    private float _zoomMax   = 3.0f;
+        [SerializeField, Range(0.05f, 0.5f)] private float _zoomStep = 0.12f;
+
+        [Header("键盘平移")]
+        [SerializeField] private float _keyPanSpeed = 600f;    // px / 秒
+
+        private float _zoom = 1f;
+
+        private void OnEnable()
+        {
+            // 重新激活时还原缩放，避免上次关闭时的残留状态
+            if (_zoomTarget != null)
+                _zoom = _zoomTarget.localScale.x;
+        }
+
+        private void Update()
+        {
+            if (_scrollRect == null) return;
+
+            float h = Input.GetAxisRaw("Horizontal");
+            float v = Input.GetAxisRaw("Vertical");
+            if (h == 0 && v == 0) return;
+
+            var delta = new Vector2(h, v) * (_keyPanSpeed * Time.unscaledDeltaTime);
+            _scrollRect.content.anchoredPosition += delta;
+        }
+
+        // ── 鼠标滚轮缩放 ─────────────────────────────────────────────────────
+
+        public void OnScroll(PointerEventData eventData)
+        {
+            if (_zoomTarget == null) return;
+
+            float newZoom = Mathf.Clamp(
+                _zoom + eventData.scrollDelta.y * _zoomStep,
+                _zoomMin, _zoomMax);
+
+            if (Mathf.Approximately(newZoom, _zoom)) return;
+
+            // 将鼠标屏幕坐标转为 zoomTarget 本地坐标（缩放前）
+            RectTransformUtility.ScreenPointToLocalPointInRectangle(
+                _zoomTarget, eventData.position, eventData.pressEventCamera, out Vector2 pivotBefore);
+
+            _zoom = newZoom;
+            _zoomTarget.localScale = new Vector3(_zoom, _zoom, 1f);
+
+            // 将同一屏幕点再次映射（缩放后），计算偏移量保持鼠标下方内容不动
+            RectTransformUtility.ScreenPointToLocalPointInRectangle(
+                _zoomTarget, eventData.position, eventData.pressEventCamera, out Vector2 pivotAfter);
+
+            // pivotAfter - pivotBefore 是 zoomTarget 本地空间的偏差，需转为父空间偏差
+            Vector2 offset = pivotAfter - pivotBefore;
+            _zoomTarget.anchoredPosition += offset * _zoom;
+        }
+    }
+}